diff --git a/package.json b/package.json
index 4aa5bd0..8623d49 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,7 @@
 {
   "name": "documents",
   "version": "1.0.0",
+  "packageManager": "pnpm@9",
   "description": "",
   "author": "",
   "license": "ISC",